/* En-tête de conversation : axe vertical unique pour retour, avatar et identité. */
.darklab-chat-thread-head {
    box-sizing: border-box !important;
    display: grid !important;
    grid-template-columns: 38px 48px minmax(0, 1fr) !important;
    align-items: center !important;
    column-gap: 10px !important;
    height: 76px !important;
    min-height: 76px !important;
    padding: 10px 14px !important;
}

.darklab-chat-thread-head > button[data-chat-back] {
    box-sizing: border-box !important;
    display: grid !important;
    place-items: center !important;
    align-self: center !important;
    width: 38px !important;
    min-width: 38px !important;
    height: 38px !important;
    min-height: 38px !important;
    margin: 0 !important;
    padding: 0 0 3px !important;
    line-height: 1 !important;
}

.darklab-chat-thread-head > .darklab-chat-avatar {
    box-sizing: border-box !important;
    display: grid !important;
    place-items: center !important;
    align-self: center !important;
    width: 48px !important;
    min-width: 48px !important;
    height: 48px !important;
    min-height: 48px !important;
    margin: 0 !important;
    line-height: 1 !important;
}

.darklab-chat-thread-head > div {
    align-self: center !important;
    display: flex !important;
    min-width: 0 !important;
    flex-direction: column !important;
    justify-content: center !important;
    gap: 2px !important;
    margin: 0 !important;
}

.darklab-chat-thread-head > div > strong,
.darklab-chat-thread-head > div > small {
    margin: 0 !important;
    line-height: 1.2 !important;
}